Detailed text transcripts for TV channel - MSNBC - 20130521:09:27:00
Least. >> let's talk about the mechanics of a tornado. we see something this massive, this powerful, what are the factors that cause this? >> i'd say about 99% of our tornados are weaker tornados. they're what we call ef-0s or ef-1s, can maybe damage trees, do a little damage to a roof, but they don't devastate property. when you get a storm like this, the tornado itself is just spinning so much faster and sucking up so much more energy from the atmosphere around it, that's how you can get these. it's very rare, i mean, the equations in the atmosphere, the equilibrium that has to be maintained...
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